... .8º),1/2,1/4,1/8,1/16,1/32,1/64,1/128,1/2561/5,1/10,1 ... for a long time. 2, Half current automatically: if control machine not send out signal in half second, driver enter half ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Digital step motor drivers using new 32-bit DSP with high performance, high torque, and low noise